Graded Market · 905 completed sales
Mewtwo & Mew GX - SM191 graded prices.
As of August 20, 2026, Mewtwo & Mew GX - SM191 (SM Black Star Promos #SM191) in PSA 10 sells for a median of $1.8K, based on 905 real eBay completed sales; the raw copy’s reference price is $500.00 — a 3.6× grading premium at the top grade.
Across SM Black Star Promos, PSA 10 copies sell for 34.0× their raw reference price on average (99 cards, 6,076 PSA 10 completed sales tracked).
PSA · Mewtwo & Mew GX - SM191
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $1.8K | 461 | 3.6× |
| Mint 9 | $415.48 | 250 | 0.8× |
| NM-MT 8 | $319.77 | 40 | 0.6× |
| NM 7 | $329.99 | 11 | 0.7× |
BGS · Mewtwo & Mew GX - SM191
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $2.7K | 4 | 5.4× |
| Mint 9 | $487.50 | 8 | 1.0× |
CGC · Mewtwo & Mew GX - SM191
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $799.99 | 27 | 1.6× |
| Mint 9 | $354.64 | 22 | 0.7× |
| NM-MT 8 | $277.69 | 7 | 0.6× |
Medians of real eBay completed sales per grade; small sample sizes deserve caution. Prices are dated reference values — cite them with the as-of date above. Attribution: CardIntel (cardintel.io). See the methodology.